package com.wlient.basic.classloader;
import com.alibaba.fastjson.JSONObject;

import java.util.HashMap;
import java.util.Map;

public class Test2 {
//            static {
//                    System.out.println("静态初始化块执行了！");
//            }


    public static void main(String[] args) {
        Map<String, JSONObject> deviceMap = new HashMap<>();
        JSONObject f = deviceMap.get("11");
        System.out.println(f);
        if (f!=null){

        }
    }
    }
    